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-rw-r--r--parser/html/nsHtml5TreeBuilderCppSupplement.h1830
1 files changed, 1830 insertions, 0 deletions
diff --git a/parser/html/nsHtml5TreeBuilderCppSupplement.h b/parser/html/nsHtml5TreeBuilderCppSupplement.h
new file mode 100644
index 0000000000..d32c137071
--- /dev/null
+++ b/parser/html/nsHtml5TreeBuilderCppSupplement.h
@@ -0,0 +1,1830 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 sw=2 et tw=78: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "ErrorList.h"
+#include "nsError.h"
+#include "nsNetUtil.h"
+#include "mozilla/CheckedInt.h"
+#include "mozilla/Likely.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/StaticPrefs_network.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/UniquePtrExtensions.h"
+
+nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsHtml5OplessBuilder* aBuilder)
+ : mode(0),
+ originalMode(0),
+ framesetOk(false),
+ tokenizer(nullptr),
+ scriptingEnabled(false),
+ needToDropLF(false),
+ fragment(false),
+ contextName(nullptr),
+ contextNamespace(kNameSpaceID_None),
+ contextNode(nullptr),
+ templateModePtr(0),
+ stackNodesIdx(0),
+ numStackNodes(0),
+ currentPtr(0),
+ listPtr(0),
+ formPointer(nullptr),
+ headPointer(nullptr),
+ charBufferLen(0),
+ quirks(false),
+ forceNoQuirks(false),
+ mBuilder(aBuilder),
+ mViewSource(nullptr),
+ mOpSink(nullptr),
+ mHandles(nullptr),
+ mHandlesUsed(0),
+ mSpeculativeLoadStage(nullptr),
+ mBroken(NS_OK),
+ mCurrentHtmlScriptIsAsyncOrDefer(false),
+ mPreventScriptExecution(false),
+ mGenerateSpeculativeLoads(false),
+ mHasSeenImportMap(false)
+#ifdef DEBUG
+ ,
+ mActive(false)
+#endif
+{
+ MOZ_COUNT_CTOR(nsHtml5TreeBuilder);
+}
+
+nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsAHtml5TreeOpSink* aOpSink,
+ nsHtml5TreeOpStage* aStage,
+ bool aGenerateSpeculativeLoads)
+ : mode(0),
+ originalMode(0),
+ framesetOk(false),
+ tokenizer(nullptr),
+ scriptingEnabled(false),
+ needToDropLF(false),
+ fragment(false),
+ contextName(nullptr),
+ contextNamespace(kNameSpaceID_None),
+ contextNode(nullptr),
+ templateModePtr(0),
+ stackNodesIdx(0),
+ numStackNodes(0),
+ currentPtr(0),
+ listPtr(0),
+ formPointer(nullptr),
+ headPointer(nullptr),
+ charBufferLen(0),
+ quirks(false),
+ forceNoQuirks(false),
+ mBuilder(nullptr),
+ mViewSource(nullptr),
+ mOpSink(aOpSink),
+ mHandles(new nsIContent*[NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH]),
+ mHandlesUsed(0),
+ mSpeculativeLoadStage(aStage),
+ mBroken(NS_OK),
+ mCurrentHtmlScriptIsAsyncOrDefer(false),
+ mPreventScriptExecution(false),
+ mGenerateSpeculativeLoads(aGenerateSpeculativeLoads),
+ mHasSeenImportMap(false)
+#ifdef DEBUG
+ ,
+ mActive(false)
+#endif
+{
+ MOZ_ASSERT(!(!aStage && aGenerateSpeculativeLoads),
+ "Must not generate speculative loads without a stage");
+ MOZ_COUNT_CTOR(nsHtml5TreeBuilder);
+}
+
+nsHtml5TreeBuilder::~nsHtml5TreeBuilder() {
+ MOZ_COUNT_DTOR(nsHtml5TreeBuilder);
+ NS_ASSERTION(!mActive,
+ "nsHtml5TreeBuilder deleted without ever calling end() on it!");
+ mOpQueue.Clear();
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::createElement(
+ int32_t aNamespace, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
+ nsIContentHandle* aIntendedParent, nsHtml5ContentCreatorFunction aCreator) {
+ MOZ_ASSERT(aAttributes, "Got null attributes.");
+ MOZ_ASSERT(aName, "Got null name.");
+ MOZ_ASSERT(aNamespace == kNameSpaceID_XHTML ||
+ aNamespace == kNameSpaceID_SVG ||
+ aNamespace == kNameSpaceID_MathML,
+ "Bogus namespace.");
+
+ if (mBuilder) {
+ nsIContent* intendedParent =
+ aIntendedParent ? static_cast<nsIContent*>(aIntendedParent) : nullptr;
+
+ // intendedParent == nullptr is a special case where the
+ // intended parent is the document.
+ nsNodeInfoManager* nodeInfoManager =
+ intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager()
+ : mBuilder->GetNodeInfoManager();
+
+ nsIContent* elem;
+ if (aNamespace == kNameSpaceID_XHTML) {
+ elem = nsHtml5TreeOperation::CreateHTMLElement(
+ aName, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT,
+ nodeInfoManager, mBuilder, aCreator.html);
+ } else if (aNamespace == kNameSpaceID_SVG) {
+ elem = nsHtml5TreeOperation::CreateSVGElement(
+ aName, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT,
+ nodeInfoManager, mBuilder, aCreator.svg);
+ } else {
+ MOZ_ASSERT(aNamespace == kNameSpaceID_MathML);
+ elem = nsHtml5TreeOperation::CreateMathMLElement(
+ aName, aAttributes, nodeInfoManager, mBuilder);
+ }
+ if (MOZ_UNLIKELY(aAttributes != tokenizer->GetAttributes() &&
+ aAttributes != nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES)) {
+ delete aAttributes;
+ }
+ return elem;
+ }
+
+ nsIContentHandle* content = AllocateContentHandle();
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+
+ if (aNamespace == kNameSpaceID_XHTML) {
+ opCreateHTMLElement opeation(
+ content, aName, aAttributes, aCreator.html, aIntendedParent,
+ (!!mSpeculativeLoadStage) ? mozilla::dom::FROM_PARSER_NETWORK
+ : mozilla::dom::FROM_PARSER_DOCUMENT_WRITE);
+ treeOp->Init(mozilla::AsVariant(opeation));
+ } else if (aNamespace == kNameSpaceID_SVG) {
+ opCreateSVGElement operation(
+ content, aName, aAttributes, aCreator.svg, aIntendedParent,
+ (!!mSpeculativeLoadStage) ? mozilla::dom::FROM_PARSER_NETWORK
+ : mozilla::dom::FROM_PARSER_DOCUMENT_WRITE);
+ treeOp->Init(mozilla::AsVariant(operation));
+ } else {
+ // kNameSpaceID_MathML
+ opCreateMathMLElement operation(content, aName, aAttributes,
+ aIntendedParent);
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+
+ // mSpeculativeLoadStage is non-null only in the off-the-main-thread
+ // tree builder, which handles the network stream
+
+ // Start wall of code for speculative loading and line numbers
+
+ if (mGenerateSpeculativeLoads && mode != IN_TEMPLATE) {
+ switch (aNamespace) {
+ case kNameSpaceID_XHTML:
+ if (nsGkAtoms::img == aName) {
+ nsHtml5String loading =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_LOADING);
+ if (!mozilla::StaticPrefs::dom_image_lazy_loading_enabled() ||
+ !loading.LowerCaseEqualsASCII("lazy")) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC);
+ nsHtml5String srcset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET);
+ nsHtml5String crossOrigin =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ nsHtml5String sizes =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES);
+ mSpeculativeLoadQueue.AppendElement()->InitImage(
+ url, crossOrigin, /* aMedia = */ nullptr, referrerPolicy,
+ srcset, sizes, false);
+ }
+ } else if (nsGkAtoms::source == aName) {
+ nsHtml5String srcset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET);
+ // Sources without srcset cannot be selected. The source could also be
+ // for a media element, but in that context doesn't use srcset. See
+ // comments in nsHtml5SpeculativeLoad.h about <picture> preloading
+ if (srcset) {
+ nsHtml5String sizes =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES);
+ nsHtml5String type =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
+ nsHtml5String media =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
+ mSpeculativeLoadQueue.AppendElement()->InitPictureSource(
+ srcset, sizes, type, media);
+ }
+ } else if (nsGkAtoms::script == aName) {
+ nsHtml5TreeOperation* treeOp =
+ mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(
+ NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetScriptLineAndColumnNumberAndFreeze operation(
+ content, tokenizer->getLineNumber(),
+ tokenizer->getColumnNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+
+ nsHtml5String type =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
+ if (!mHasSeenImportMap) {
+ // If we see an importmap, we don't want to later start
+ // speculative loads for modulepreloads, since such load might
+ // finish before the importmap is created.
+ nsAutoString typeString;
+ type.ToString(typeString);
+ mHasSeenImportMap =
+ typeString.LowerCaseFindASCII("importmap") != kNotFound;
+ }
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC);
+ if (url) {
+ nsHtml5String charset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
+ nsHtml5String crossOrigin =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String integrity =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ bool async =
+ aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC);
+ bool defer =
+ aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER);
+ bool noModule =
+ aAttributes->contains(nsHtml5AttributeName::ATTR_NOMODULE);
+ mSpeculativeLoadQueue.AppendElement()->InitScript(
+ url, charset, type, crossOrigin, /* aMedia = */ nullptr,
+ integrity, referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD,
+ async, defer, noModule, false);
+ mCurrentHtmlScriptIsAsyncOrDefer = async || defer;
+ }
+ } else if (nsGkAtoms::link == aName) {
+ nsHtml5String rel =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_REL);
+ // Not splitting on space here is bogus but the old parser didn't even
+ // do a case-insensitive check.
+ if (rel) {
+ if (rel.LowerCaseEqualsASCII("stylesheet")) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url) {
+ nsHtml5String charset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
+ nsHtml5String crossOrigin = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String integrity =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ nsHtml5String media =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
+ mSpeculativeLoadQueue.AppendElement()->InitStyle(
+ url, charset, crossOrigin, media, referrerPolicy, integrity,
+ false);
+ }
+ } else if (rel.LowerCaseEqualsASCII("preconnect")) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url) {
+ nsHtml5String crossOrigin = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ mSpeculativeLoadQueue.AppendElement()->InitPreconnect(
+ url, crossOrigin);
+ }
+ } else if (mozilla::StaticPrefs::network_preload() &&
+ rel.LowerCaseEqualsASCII("preload")) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url) {
+ nsHtml5String as =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_AS);
+ nsHtml5String charset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
+ nsHtml5String crossOrigin = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String integrity =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ nsHtml5String media =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
+
+ // Note that respective speculative loaders for scripts and
+ // styles check all additional attributes to be equal to use the
+ // speculative load. So, if any of them is specified and the
+ // preload has to take the expected effect, those attributes
+ // must also be specified on the actual tag to use the preload.
+ // Omitting an attribute on both will make the values equal
+ // (empty) and thus use the preload.
+ if (as.LowerCaseEqualsASCII("script")) {
+ nsHtml5String type =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
+ mSpeculativeLoadQueue.AppendElement()->InitScript(
+ url, charset, type, crossOrigin, media, integrity,
+ referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD,
+ false, false, false, true);
+ } else if (as.LowerCaseEqualsASCII("style")) {
+ mSpeculativeLoadQueue.AppendElement()->InitStyle(
+ url, charset, crossOrigin, media, referrerPolicy,
+ integrity, true);
+ } else if (as.LowerCaseEqualsASCII("image")) {
+ nsHtml5String srcset = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_IMAGESRCSET);
+ nsHtml5String sizes = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_IMAGESIZES);
+ mSpeculativeLoadQueue.AppendElement()->InitImage(
+ url, crossOrigin, media, referrerPolicy, srcset, sizes,
+ true);
+ } else if (as.LowerCaseEqualsASCII("font")) {
+ mSpeculativeLoadQueue.AppendElement()->InitFont(
+ url, crossOrigin, media, referrerPolicy);
+ } else if (as.LowerCaseEqualsASCII("fetch")) {
+ mSpeculativeLoadQueue.AppendElement()->InitFetch(
+ url, crossOrigin, media, referrerPolicy);
+ }
+ // Other "as" values will be supported later.
+ }
+ } else if (mozilla::StaticPrefs::network_modulepreload() &&
+ rel.LowerCaseEqualsASCII("modulepreload") &&
+ !mHasSeenImportMap) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url && url.Length() != 0) {
+ nsHtml5String as =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_AS);
+ nsAutoString asString;
+ as.ToString(asString);
+ if (mozilla::net::IsScriptLikeOrInvalid(asString)) {
+ nsHtml5String charset =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
+ RefPtr<nsAtom> moduleType = nsGkAtoms::_module;
+ nsHtml5String type =
+ nsHtml5String::FromAtom(moduleType.forget());
+ nsHtml5String crossOrigin = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String media =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
+ nsHtml5String integrity = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_INTEGRITY);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ mSpeculativeLoadQueue.AppendElement()->InitScript(
+ url, charset, type, crossOrigin, media, integrity,
+ referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD,
+ false, false, false, true);
+ }
+ }
+ }
+ }
+ } else if (nsGkAtoms::video == aName) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_POSTER);
+ if (url) {
+ mSpeculativeLoadQueue.AppendElement()->InitImage(
+ url, nullptr, nullptr, nullptr, nullptr, nullptr, false);
+ }
+ } else if (nsGkAtoms::style == aName) {
+ mImportScanner.Start();
+ nsHtml5TreeOperation* treeOp =
+ mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(
+ NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+ } else if (nsGkAtoms::html == aName) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST);
+ mSpeculativeLoadQueue.AppendElement()->InitManifest(url);
+ } else if (nsGkAtoms::base == aName) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url) {
+ mSpeculativeLoadQueue.AppendElement()->InitBase(url);
+ }
+ } else if (nsGkAtoms::meta == aName) {
+ if (nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString(
+ "content-security-policy",
+ aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_HTTP_EQUIV))) {
+ nsHtml5String csp =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT);
+ if (csp) {
+ mSpeculativeLoadQueue.AppendElement()->InitMetaCSP(csp);
+ }
+ } else if (nsHtml5Portability::
+ lowerCaseLiteralEqualsIgnoreAsciiCaseString(
+ "referrer",
+ aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_NAME))) {
+ nsHtml5String referrerPolicy =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT);
+ if (referrerPolicy) {
+ mSpeculativeLoadQueue.AppendElement()->InitMetaReferrerPolicy(
+ referrerPolicy);
+ }
+ }
+ }
+ break;
+ case kNameSpaceID_SVG:
+ if (nsGkAtoms::image == aName) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (!url) {
+ url = aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF);
+ }
+ if (url) {
+ mSpeculativeLoadQueue.AppendElement()->InitImage(
+ url, nullptr, nullptr, nullptr, nullptr, nullptr, false);
+ }
+ } else if (nsGkAtoms::script == aName) {
+ nsHtml5TreeOperation* treeOp =
+ mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(
+ NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetScriptLineAndColumnNumberAndFreeze operation(
+ content, tokenizer->getLineNumber(),
+ tokenizer->getColumnNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (!url) {
+ url = aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF);
+ }
+ if (url) {
+ nsHtml5String type =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
+ nsHtml5String crossOrigin =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
+ nsHtml5String integrity =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
+ nsHtml5String referrerPolicy = aAttributes->getValue(
+ nsHtml5AttributeName::ATTR_REFERRERPOLICY);
+ mSpeculativeLoadQueue.AppendElement()->InitScript(
+ url, nullptr, type, crossOrigin, /* aMedia = */ nullptr,
+ integrity, referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD,
+ false, false, false, false);
+ }
+ } else if (nsGkAtoms::style == aName) {
+ mImportScanner.Start();
+ nsHtml5TreeOperation* treeOp =
+ mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(
+ NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+ break;
+ }
+ } else if (aNamespace != kNameSpaceID_MathML) {
+ // No speculative loader--just line numbers and defer/async check
+ if (nsGkAtoms::style == aName) {
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+ } else if (nsGkAtoms::script == aName) {
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetScriptLineAndColumnNumberAndFreeze operation(
+ content, tokenizer->getLineNumber(), tokenizer->getColumnNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+ if (aNamespace == kNameSpaceID_XHTML) {
+ mCurrentHtmlScriptIsAsyncOrDefer =
+ aAttributes->contains(nsHtml5AttributeName::ATTR_SRC) &&
+ (aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC) ||
+ aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER));
+ }
+ } else if (aNamespace == kNameSpaceID_XHTML) {
+ if (nsGkAtoms::html == aName) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST);
+ nsHtml5TreeOperation* treeOp =
+ mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(
+ NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ if (url) {
+ nsString
+ urlString; // Not Auto, because using it to hold nsStringBuffer*
+ url.ToString(urlString);
+ opProcessOfflineManifest operation(ToNewUnicode(urlString));
+ treeOp->Init(mozilla::AsVariant(operation));
+ } else {
+ opProcessOfflineManifest operation(ToNewUnicode(u""_ns));
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+ } else if (nsGkAtoms::base == aName && mViewSource) {
+ nsHtml5String url =
+ aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
+ if (url) {
+ mViewSource->AddBase(url);
+ }
+ }
+ }
+ }
+
+ // End wall of code for speculative loading
+
+ return content;
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::createElement(
+ int32_t aNamespace, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
+ nsIContentHandle* aFormElement, nsIContentHandle* aIntendedParent,
+ nsHtml5ContentCreatorFunction aCreator) {
+ nsIContentHandle* content =
+ createElement(aNamespace, aName, aAttributes, aIntendedParent, aCreator);
+ if (aFormElement) {
+ if (mBuilder) {
+ nsHtml5TreeOperation::SetFormElement(
+ static_cast<nsIContent*>(content),
+ static_cast<nsIContent*>(aFormElement));
+ } else {
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opSetFormElement operation(content, aFormElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+ }
+ return content;
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::createHtmlElementSetAsRoot(
+ nsHtml5HtmlAttributes* aAttributes) {
+ nsHtml5ContentCreatorFunction creator;
+ // <html> uses NS_NewHTMLSharedElement creator
+ creator.html = NS_NewHTMLSharedElement;
+ nsIContentHandle* content = createElement(kNameSpaceID_XHTML, nsGkAtoms::html,
+ aAttributes, nullptr, creator);
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendToDocument(
+ static_cast<nsIContent*>(content), mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ } else {
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ opAppendToDocument operation(content);
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+ return content;
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::createAndInsertFosterParentedElement(
+ int32_t aNamespace, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
+ nsIContentHandle* aFormElement, nsIContentHandle* aTable,
+ nsIContentHandle* aStackParent, nsHtml5ContentCreatorFunction aCreator) {
+ MOZ_ASSERT(aTable, "Null table");
+ MOZ_ASSERT(aStackParent, "Null stack parent");
+
+ if (mBuilder) {
+ // Get the foster parent to use as the intended parent when creating
+ // the child element.
+ nsIContent* fosterParent = nsHtml5TreeOperation::GetFosterParent(
+ static_cast<nsIContent*>(aTable),
+ static_cast<nsIContent*>(aStackParent));
+
+ nsIContentHandle* child = createElement(
+ aNamespace, aName, aAttributes, aFormElement, fosterParent, aCreator);
+
+ insertFosterParentedChild(child, aTable, aStackParent);
+
+ return child;
+ }
+
+ // Tree op to get the foster parent that we use as the intended parent
+ // when creating the child element.
+ nsHtml5TreeOperation* fosterParentTreeOp = mOpQueue.AppendElement();
+ NS_ASSERTION(fosterParentTreeOp, "Tree op allocation failed.");
+ nsIContentHandle* fosterParentHandle = AllocateContentHandle();
+ opGetFosterParent operation(aTable, aStackParent, fosterParentHandle);
+ fosterParentTreeOp->Init(mozilla::AsVariant(operation));
+
+ // Create the element with the correct intended parent.
+ nsIContentHandle* child =
+ createElement(aNamespace, aName, aAttributes, aFormElement,
+ fosterParentHandle, aCreator);
+
+ // Insert the child into the foster parent.
+ insertFosterParentedChild(child, aTable, aStackParent);
+
+ return child;
+}
+
+void nsHtml5TreeBuilder::detachFromParent(nsIContentHandle* aElement) {
+ MOZ_ASSERT(aElement, "Null element");
+
+ if (mBuilder) {
+ nsHtml5TreeOperation::Detach(static_cast<nsIContent*>(aElement), mBuilder);
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opDetach operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::appendElement(nsIContentHandle* aChild,
+ nsIContentHandle* aParent) {
+ MOZ_ASSERT(aChild, "Null child");
+ MOZ_ASSERT(aParent, "Null parent");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::Append(
+ static_cast<nsIContent*>(aChild), static_cast<nsIContent*>(aParent),
+ mozilla::dom::FROM_PARSER_FRAGMENT, mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+
+ opAppend operation(aChild, aParent,
+ (!!mSpeculativeLoadStage)
+ ? mozilla::dom::FROM_PARSER_NETWORK
+ : mozilla::dom::FROM_PARSER_DOCUMENT_WRITE);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::appendChildrenToNewParent(
+ nsIContentHandle* aOldParent, nsIContentHandle* aNewParent) {
+ MOZ_ASSERT(aOldParent, "Null old parent");
+ MOZ_ASSERT(aNewParent, "Null new parent");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendChildrenToNewParent(
+ static_cast<nsIContent*>(aOldParent),
+ static_cast<nsIContent*>(aNewParent), mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAppendChildrenToNewParent operation(aOldParent, aNewParent);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::insertFosterParentedCharacters(
+ char16_t* aBuffer, int32_t aStart, int32_t aLength,
+ nsIContentHandle* aTable, nsIContentHandle* aStackParent) {
+ MOZ_ASSERT(aBuffer, "Null buffer");
+ MOZ_ASSERT(aTable, "Null table");
+ MOZ_ASSERT(aStackParent, "Null stack parent");
+ MOZ_ASSERT(!aStart, "aStart must always be zero.");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::FosterParentText(
+ static_cast<nsIContent*>(aStackParent),
+ aBuffer, // XXX aStart always ignored???
+ aLength, static_cast<nsIContent*>(aTable), mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ auto bufferCopy = mozilla::MakeUniqueFallible<char16_t[]>(aLength);
+ if (!bufferCopy) {
+ // Just assigning mBroken instead of generating tree op. The caller
+ // of tokenizeBuffer() will call MarkAsBroken() as appropriate.
+ mBroken = NS_ERROR_OUT_OF_MEMORY;
+ requestSuspension();
+ return;
+ }
+
+ memcpy(bufferCopy.get(), aBuffer, aLength * sizeof(char16_t));
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opFosterParentText operation(aStackParent, bufferCopy.release(), aTable,
+ aLength);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::insertFosterParentedChild(
+ nsIContentHandle* aChild, nsIContentHandle* aTable,
+ nsIContentHandle* aStackParent) {
+ MOZ_ASSERT(aChild, "Null child");
+ MOZ_ASSERT(aTable, "Null table");
+ MOZ_ASSERT(aStackParent, "Null stack parent");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::FosterParent(
+ static_cast<nsIContent*>(aChild),
+ static_cast<nsIContent*>(aStackParent),
+ static_cast<nsIContent*>(aTable), mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opFosterParent operation(aChild, aStackParent, aTable);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::appendCharacters(nsIContentHandle* aParent,
+ char16_t* aBuffer, int32_t aStart,
+ int32_t aLength) {
+ MOZ_ASSERT(aBuffer, "Null buffer");
+ MOZ_ASSERT(aParent, "Null parent");
+ MOZ_ASSERT(!aStart, "aStart must always be zero.");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendText(
+ aBuffer, // XXX aStart always ignored???
+ aLength, static_cast<nsIContent*>(aParent), mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ auto bufferCopy = mozilla::MakeUniqueFallible<char16_t[]>(aLength);
+ if (!bufferCopy) {
+ // Just assigning mBroken instead of generating tree op. The caller
+ // of tokenizeBuffer() will call MarkAsBroken() as appropriate.
+ mBroken = NS_ERROR_OUT_OF_MEMORY;
+ requestSuspension();
+ return;
+ }
+
+ memcpy(bufferCopy.get(), aBuffer, aLength * sizeof(char16_t));
+
+ if (mImportScanner.ShouldScan()) {
+ nsTArray<nsString> imports =
+ mImportScanner.Scan(mozilla::Span(aBuffer, aLength));
+ for (nsString& url : imports) {
+ mSpeculativeLoadQueue.AppendElement()->InitImportStyle(std::move(url));
+ }
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAppendText operation(aParent, bufferCopy.release(), aLength);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::appendComment(nsIContentHandle* aParent,
+ char16_t* aBuffer, int32_t aStart,
+ int32_t aLength) {
+ MOZ_ASSERT(aBuffer, "Null buffer");
+ MOZ_ASSERT(aParent, "Null parent");
+ MOZ_ASSERT(!aStart, "aStart must always be zero.");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendComment(
+ static_cast<nsIContent*>(aParent),
+ aBuffer, // XXX aStart always ignored???
+ aLength, mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ auto bufferCopy = mozilla::MakeUniqueFallible<char16_t[]>(aLength);
+ if (!bufferCopy) {
+ // Just assigning mBroken instead of generating tree op. The caller
+ // of tokenizeBuffer() will call MarkAsBroken() as appropriate.
+ mBroken = NS_ERROR_OUT_OF_MEMORY;
+ requestSuspension();
+ return;
+ }
+
+ memcpy(bufferCopy.get(), aBuffer, aLength * sizeof(char16_t));
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAppendComment operation(aParent, bufferCopy.release(), aLength);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::appendCommentToDocument(char16_t* aBuffer,
+ int32_t aStart,
+ int32_t aLength) {
+ MOZ_ASSERT(aBuffer, "Null buffer");
+ MOZ_ASSERT(!aStart, "aStart must always be zero.");
+
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendCommentToDocument(
+ aBuffer, // XXX aStart always ignored???
+ aLength, mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ auto bufferCopy = mozilla::MakeUniqueFallible<char16_t[]>(aLength);
+ if (!bufferCopy) {
+ // Just assigning mBroken instead of generating tree op. The caller
+ // of tokenizeBuffer() will call MarkAsBroken() as appropriate.
+ mBroken = NS_ERROR_OUT_OF_MEMORY;
+ requestSuspension();
+ return;
+ }
+
+ memcpy(bufferCopy.get(), aBuffer, aLength * sizeof(char16_t));
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAppendCommentToDocument data(bufferCopy.release(), aLength);
+ treeOp->Init(mozilla::AsVariant(data));
+}
+
+void nsHtml5TreeBuilder::addAttributesToElement(
+ nsIContentHandle* aElement, nsHtml5HtmlAttributes* aAttributes) {
+ MOZ_ASSERT(aElement, "Null element");
+ MOZ_ASSERT(aAttributes, "Null attributes");
+
+ if (aAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
+ return;
+ }
+
+ if (mBuilder) {
+ MOZ_ASSERT(
+ aAttributes == tokenizer->GetAttributes(),
+ "Using attribute other than the tokenizer's to add to body or html.");
+ nsresult rv = nsHtml5TreeOperation::AddAttributes(
+ static_cast<nsIContent*>(aElement), aAttributes, mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAddAttributes opeation(aElement, aAttributes);
+ treeOp->Init(mozilla::AsVariant(opeation));
+}
+
+void nsHtml5TreeBuilder::markMalformedIfScript(nsIContentHandle* aElement) {
+ MOZ_ASSERT(aElement, "Null element");
+
+ if (mBuilder) {
+ nsHtml5TreeOperation::MarkMalformedIfScript(
+ static_cast<nsIContent*>(aElement));
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opMarkMalformedIfScript operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::start(bool fragment) {
+ mCurrentHtmlScriptIsAsyncOrDefer = false;
+#ifdef DEBUG
+ mActive = true;
+#endif
+}
+
+void nsHtml5TreeBuilder::end() {
+ mOpQueue.Clear();
+#ifdef DEBUG
+ mActive = false;
+#endif
+}
+
+void nsHtml5TreeBuilder::appendDoctypeToDocument(nsAtom* aName,
+ nsHtml5String aPublicId,
+ nsHtml5String aSystemId) {
+ MOZ_ASSERT(aName, "Null name");
+ nsString publicId; // Not Auto, because using it to hold nsStringBuffer*
+ nsString systemId; // Not Auto, because using it to hold nsStringBuffer*
+ aPublicId.ToString(publicId);
+ aSystemId.ToString(systemId);
+ if (mBuilder) {
+ nsresult rv = nsHtml5TreeOperation::AppendDoctypeToDocument(
+ aName, publicId, systemId, mBuilder);
+ if (NS_FAILED(rv)) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
+ }
+ return;
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opAppendDoctypeToDocument operation(aName, publicId, systemId);
+ treeOp->Init(mozilla::AsVariant(operation));
+ // nsXMLContentSink can flush here, but what's the point?
+ // It can also interrupt here, but we can't.
+}
+
+void nsHtml5TreeBuilder::elementPushed(int32_t aNamespace, nsAtom* aName,
+ nsIContentHandle* aElement) {
+ NS_ASSERTION(aNamespace == kNameSpaceID_XHTML ||
+ aNamespace == kNameSpaceID_SVG ||
+ aNamespace == kNameSpaceID_MathML,
+ "Element isn't HTML, SVG or MathML!");
+ NS_ASSERTION(aName, "Element doesn't have local name!");
+ NS_ASSERTION(aElement, "No element!");
+ /*
+ * The frame constructor uses recursive algorithms, so it can't deal with
+ * arbitrarily deep trees. This is especially a problem on Windows where
+ * the permitted depth of the runtime stack is rather small.
+ *
+ * The following is a protection against author incompetence--not against
+ * malice. There are other ways to make the DOM deep anyway.
+ *
+ * The basic idea is that when the tree builder stack gets too deep,
+ * append operations no longer append to the node that the HTML parsing
+ * algorithm says they should but instead text nodes are append to the last
+ * element that was seen before a magic tree builder stack threshold was
+ * reached and element and comment nodes aren't appended to the DOM at all.
+ *
+ * However, for security reasons, non-child descendant text nodes inside an
+ * SVG script or style element should not become children. Also, non-cell
+ * table elements shouldn't be used as surrogate parents for user experience
+ * reasons.
+ */
+ if (aNamespace != kNameSpaceID_XHTML) {
+ return;
+ }
+ if (aName == nsGkAtoms::body || aName == nsGkAtoms::frameset) {
+ if (mBuilder) {
+ // InnerHTML and DOMParser shouldn't start layout anyway
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ treeOp->Init(mozilla::AsVariant(opStartLayout()));
+ return;
+ }
+ if (nsIContent::RequiresDoneCreatingElement(kNameSpaceID_XHTML, aName)) {
+ if (mBuilder) {
+ nsHtml5TreeOperation::DoneCreatingElement(
+ static_cast<nsIContent*>(aElement));
+ } else {
+ opDoneCreatingElement operation(aElement);
+ mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
+ }
+ return;
+ }
+ if (mGenerateSpeculativeLoads && aName == nsGkAtoms::picture) {
+ // See comments in nsHtml5SpeculativeLoad.h about <picture> preloading
+ mSpeculativeLoadQueue.AppendElement()->InitOpenPicture();
+ return;
+ }
+ if (aName == nsGkAtoms::_template) {
+ if (tokenizer->TemplatePushedOrHeadPopped()) {
+ requestSuspension();
+ }
+ }
+}
+
+void nsHtml5TreeBuilder::elementPopped(int32_t aNamespace, nsAtom* aName,
+ nsIContentHandle* aElement) {
+ NS_ASSERTION(aNamespace == kNameSpaceID_XHTML ||
+ aNamespace == kNameSpaceID_SVG ||
+ aNamespace == kNameSpaceID_MathML,
+ "Element isn't HTML, SVG or MathML!");
+ NS_ASSERTION(aName, "Element doesn't have local name!");
+ NS_ASSERTION(aElement, "No element!");
+ if (aNamespace == kNameSpaceID_MathML) {
+ return;
+ }
+ // we now have only SVG and HTML
+ if (aName == nsGkAtoms::script) {
+ if (mPreventScriptExecution) {
+ if (mBuilder) {
+ nsHtml5TreeOperation::PreventScriptExecution(
+ static_cast<nsIContent*>(aElement));
+ return;
+ }
+ opPreventScriptExecution operation(aElement);
+ mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
+ return;
+ }
+ if (mBuilder) {
+ return;
+ }
+ if (mCurrentHtmlScriptIsAsyncOrDefer) {
+ NS_ASSERTION(aNamespace == kNameSpaceID_XHTML,
+ "Only HTML scripts may be async/defer.");
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opRunScriptAsyncDefer operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+ mCurrentHtmlScriptIsAsyncOrDefer = false;
+ return;
+ }
+ requestSuspension();
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opRunScript operation(aElement, nullptr);
+ treeOp->Init(mozilla::AsVariant(operation));
+ return;
+ }
+ // Some nodes need DoneAddingChildren() called to initialize
+ // properly (e.g. form state restoration).
+ if (nsIContent::RequiresDoneAddingChildren(aNamespace, aName)) {
+ if (mBuilder) {
+ nsHtml5TreeOperation::DoneAddingChildren(
+ static_cast<nsIContent*>(aElement));
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opDoneAddingChildren operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+ if (aNamespace == kNameSpaceID_XHTML && aName == nsGkAtoms::head) {
+ if (tokenizer->TemplatePushedOrHeadPopped()) {
+ requestSuspension();
+ }
+ }
+ return;
+ }
+ if (aName == nsGkAtoms::style ||
+ (aNamespace == kNameSpaceID_XHTML && aName == nsGkAtoms::link)) {
+ if (mBuilder) {
+ MOZ_ASSERT(!nsContentUtils::IsSafeToRunScript(),
+ "Scripts must be blocked.");
+ mBuilder->UpdateStyleSheet(static_cast<nsIContent*>(aElement));
+ return;
+ }
+
+ if (aName == nsGkAtoms::style) {
+ nsTArray<nsString> imports = mImportScanner.Stop();
+ for (nsString& url : imports) {
+ mSpeculativeLoadQueue.AppendElement()->InitImportStyle(std::move(url));
+ }
+ }
+
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opUpdateStyleSheet operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+ return;
+ }
+ if (aNamespace == kNameSpaceID_SVG) {
+ if (aName == nsGkAtoms::svg) {
+ if (!scriptingEnabled || mPreventScriptExecution) {
+ return;
+ }
+ if (mBuilder) {
+ nsHtml5TreeOperation::SvgLoad(static_cast<nsIContent*>(aElement));
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opSvgLoad operation(aElement);
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+ return;
+ }
+
+ if (mGenerateSpeculativeLoads && aName == nsGkAtoms::picture) {
+ // See comments in nsHtml5SpeculativeLoad.h about <picture> preloading
+ mSpeculativeLoadQueue.AppendElement()->InitEndPicture();
+ return;
+ }
+}
+
+void nsHtml5TreeBuilder::accumulateCharacters(const char16_t* aBuf,
+ int32_t aStart, int32_t aLength) {
+ MOZ_RELEASE_ASSERT(charBufferLen + aLength <= charBuffer.length,
+ "About to memcpy past the end of the buffer!");
+ memcpy(charBuffer + charBufferLen, aBuf + aStart, sizeof(char16_t) * aLength);
+ charBufferLen += aLength;
+}
+
+// INT32_MAX is (2^31)-1. Therefore, the highest power-of-two that fits
+// is 2^30. Note that this is counting char16_t units. The underlying
+// bytes will be twice that, but they fit even in 32-bit size_t even
+// if a contiguous chunk of memory of that size is pretty unlikely to
+// be available on a 32-bit system.
+#define MAX_POWER_OF_TWO_IN_INT32 0x40000000
+
+bool nsHtml5TreeBuilder::EnsureBufferSpace(int32_t aLength) {
+ // TODO: Unify nsHtml5Tokenizer::strBuf and nsHtml5TreeBuilder::charBuffer
+ // so that this method becomes unnecessary.
+ mozilla::CheckedInt<int32_t> worstCase(charBufferLen);
+ worstCase += aLength;
+ if (!worstCase.isValid()) {
+ return false;
+ }
+ if (worstCase.value() > MAX_POWER_OF_TWO_IN_INT32) {
+ return false;
+ }
+ if (!charBuffer) {
+ if (worstCase.value() < MAX_POWER_OF_TWO_IN_INT32) {
+ // Add one to round to the next power of two to avoid immediate
+ // reallocation once there are a few characters in the buffer.
+ worstCase += 1;
+ }
+ charBuffer = jArray<char16_t, int32_t>::newFallibleJArray(
+ mozilla::RoundUpPow2(worstCase.value()));
+ if (!charBuffer) {
+ return false;
+ }
+ } else if (worstCase.value() > charBuffer.length) {
+ jArray<char16_t, int32_t> newBuf =
+ jArray<char16_t, int32_t>::newFallibleJArray(
+ mozilla::RoundUpPow2(worstCase.value()));
+ if (!newBuf) {
+ return false;
+ }
+ memcpy(newBuf, charBuffer, sizeof(char16_t) * size_t(charBufferLen));
+ charBuffer = newBuf;
+ }
+ return true;
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::AllocateContentHandle() {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never allocate a handle with builder.");
+ return nullptr;
+ }
+ if (mHandlesUsed == NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH) {
+ mOldHandles.AppendElement(std::move(mHandles));
+ mHandles = mozilla::MakeUnique<nsIContent*[]>(
+ NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH);
+ mHandlesUsed = 0;
+ }
+#ifdef DEBUG
+ mHandles[mHandlesUsed] = reinterpret_cast<nsIContent*>(uintptr_t(0xC0DEDBAD));
+#endif
+ return &mHandles[mHandlesUsed++];
+}
+
+bool nsHtml5TreeBuilder::HasScript() {
+ uint32_t len = mOpQueue.Length();
+ if (!len) {
+ return false;
+ }
+ return mOpQueue.ElementAt(len - 1).IsRunScript();
+}
+
+mozilla::Result<bool, nsresult> nsHtml5TreeBuilder::Flush(bool aDiscretionary) {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never flush with builder.");
+ return false;
+ }
+ if (NS_SUCCEEDED(mBroken)) {
+ if (!aDiscretionary || !(charBufferLen && currentPtr >= 0 &&
+ stack[currentPtr]->isFosterParenting())) {
+ // Don't flush text on discretionary flushes if the current element on
+ // the stack is a foster-parenting element and there's pending text,
+ // because flushing in that case would make the tree shape dependent on
+ // where the flush points fall.
+ flushCharacters();
+ }
+ FlushLoads();
+ }
+ if (mOpSink) {
+ bool hasOps = !mOpQueue.IsEmpty();
+ if (hasOps) {
+ // If the builder is broken and mOpQueue is not empty, there must be
+ // one op and it must be eTreeOpMarkAsBroken.
+ if (NS_FAILED(mBroken)) {
+ MOZ_ASSERT(mOpQueue.Length() == 1,
+ "Tree builder is broken with a non-empty op queue whose "
+ "length isn't 1.");
+ MOZ_ASSERT(mOpQueue[0].IsMarkAsBroken(),
+ "Tree builder is broken but the op in queue is not marked "
+ "as broken.");
+ }
+ if (!mOpSink->MoveOpsFrom(mOpQueue)) {
+ return mozilla::Err(NS_ERROR_OUT_OF_MEMORY);
+ }
+ }
+ return hasOps;
+ }
+ // no op sink: throw away ops
+ mOpQueue.Clear();
+ return false;
+}
+
+void nsHtml5TreeBuilder::FlushLoads() {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never flush loads with builder.");
+ return;
+ }
+ if (!mSpeculativeLoadQueue.IsEmpty()) {
+ mSpeculativeLoadStage->MoveSpeculativeLoadsFrom(mSpeculativeLoadQueue);
+ }
+}
+
+void nsHtml5TreeBuilder::SetDocumentCharset(NotNull<const Encoding*> aEncoding,
+ nsCharsetSource aCharsetSource,
+ bool aCommitEncodingSpeculation) {
+ MOZ_ASSERT(!mBuilder, "How did we call this with builder?");
+ MOZ_ASSERT(mSpeculativeLoadStage,
+ "How did we call this without a speculative load stage?");
+ mSpeculativeLoadQueue.AppendElement()->InitSetDocumentCharset(
+ aEncoding, aCharsetSource, aCommitEncodingSpeculation);
+}
+
+void nsHtml5TreeBuilder::UpdateCharsetSource(nsCharsetSource aCharsetSource) {
+ MOZ_ASSERT(!mBuilder, "How did we call this with builder?");
+ MOZ_ASSERT(mSpeculativeLoadStage,
+ "How did we call this without a speculative load stage (even "
+ "though we don't need it right here)?");
+ if (mViewSource) {
+ mViewSource->UpdateCharsetSource(aCharsetSource);
+ return;
+ }
+ opUpdateCharsetSource operation(aCharsetSource);
+ mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::StreamEnded() {
+ MOZ_ASSERT(!mBuilder, "Must not call StreamEnded with builder.");
+ MOZ_ASSERT(!fragment, "Must not parse fragments off the main thread.");
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ treeOp->Init(mozilla::AsVariant(opStreamEnded()));
+}
+
+void nsHtml5TreeBuilder::NeedsCharsetSwitchTo(
+ NotNull<const Encoding*> aEncoding, int32_t aCharsetSource,
+ int32_t aLineNumber) {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never switch charset with builder.");
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ opCharsetSwitchTo opeation(aEncoding, aCharsetSource, aLineNumber);
+ treeOp->Init(mozilla::AsVariant(opeation));
+}
+
+void nsHtml5TreeBuilder::MaybeComplainAboutCharset(const char* aMsgId,
+ bool aError,
+ int32_t aLineNumber) {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never complain about charset with builder.");
+ return;
+ }
+
+ if (mSpeculativeLoadStage) {
+ mSpeculativeLoadQueue.AppendElement()->InitMaybeComplainAboutCharset(
+ aMsgId, aError, aLineNumber);
+ } else {
+ opMaybeComplainAboutCharset opeartion(const_cast<char*>(aMsgId), aError,
+ aLineNumber);
+ mOpQueue.AppendElement()->Init(mozilla::AsVariant(opeartion));
+ }
+}
+
+void nsHtml5TreeBuilder::TryToEnableEncodingMenu() {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never disable encoding menu with builder.");
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
+ NS_ASSERTION(treeOp, "Tree op allocation failed.");
+ treeOp->Init(mozilla::AsVariant(opEnableEncodingMenu()));
+}
+
+void nsHtml5TreeBuilder::AddSnapshotToScript(
+ nsAHtml5TreeBuilderState* aSnapshot, int32_t aLine) {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must never use snapshots with builder.");
+ return;
+ }
+ MOZ_ASSERT(HasScript(), "No script to add a snapshot to!");
+ MOZ_ASSERT(aSnapshot, "Got null snapshot.");
+ mOpQueue.ElementAt(mOpQueue.Length() - 1).SetSnapshot(aSnapshot, aLine);
+}
+
+void nsHtml5TreeBuilder::DropHandles() {
+ MOZ_ASSERT(!mBuilder, "Must not drop handles with builder.");
+ mOldHandles.Clear();
+ mHandlesUsed = 0;
+}
+
+void nsHtml5TreeBuilder::MarkAsBroken(nsresult aRv) {
+ if (MOZ_UNLIKELY(mBuilder)) {
+ MOZ_ASSERT_UNREACHABLE("Must not call this with builder.");
+ return;
+ }
+ mBroken = aRv;
+ mOpQueue.Clear(); // Previous ops don't matter anymore
+ opMarkAsBroken operation(aRv);
+ mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
+}
+
+void nsHtml5TreeBuilder::MarkAsBrokenFromPortability(nsresult aRv) {
+ if (mBuilder) {
+ MarkAsBrokenAndRequestSuspensionWithBuilder(aRv);
+ return;
+ }
+ mBroken = aRv;
+ requestSuspension();
+}
+
+void nsHtml5TreeBuilder::StartPlainTextViewSource(const nsAutoString& aTitle) {
+ MOZ_ASSERT(!mBuilder, "Must not view source with builder.");
+
+ startTag(nsHtml5ElementName::ELT_META,
+ nsHtml5ViewSourceUtils::NewMetaViewportAttributes(), false);
+
+ startTag(nsHtml5ElementName::ELT_TITLE,
+ nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES, false);
+
+ // XUL will add the "Source of: " prefix.
+ uint32_t length = aTitle.Length();
+ if (length > INT32_MAX) {
+ length = INT32_MAX;
+ }
+ characters(aTitle.get(), 0, (int32_t)length);
+ endTag(nsHtml5ElementName::ELT_TITLE);
+
+ startTag(nsHtml5ElementName::ELT_LINK,
+ nsHtml5ViewSourceUtils::NewLinkAttributes(), false);
+
+ startTag(nsHtml5ElementName::ELT_BODY,
+ nsHtml5ViewSourceUtils::NewBodyAttributes(), false);
+
+ StartPlainTextBody();
+}
+
+void nsHtml5TreeBuilder::StartPlainText() {
+ MOZ_ASSERT(!mBuilder, "Must not view source with builder.");
+ setForceNoQuirks(true);
+ startTag(nsHtml5ElementName::ELT_LINK,
+ nsHtml5PlainTextUtils::NewLinkAttributes(), false);
+
+ startTag(nsHtml5ElementName::ELT_BODY,
+ nsHtml5PlainTextUtils::NewBodyAttributes(), false);
+
+ StartPlainTextBody();
+}
+
+void nsHtml5TreeBuilder::StartPlainTextBody() {
+ MOZ_ASSERT(!mBuilder, "Must not view source with builder.");
+ startTag(nsHtml5ElementName::ELT_PRE, nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES,
+ false);
+ needToDropLF = false;
+}
+
+// DocumentModeHandler
+void nsHtml5TreeBuilder::documentMode(nsHtml5DocumentMode m) {
+ if (mBuilder) {
+ mBuilder->SetDocumentMode(m);
+ return;
+ }
+ if (mSpeculativeLoadStage) {
+ mSpeculativeLoadQueue.AppendElement()->InitSetDocumentMode(m);
+ return;
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ treeOp->Init(mozilla::AsVariant(m));
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::getDocumentFragmentForTemplate(
+ nsIContentHandle* aTemplate) {
+ if (mBuilder) {
+ return nsHtml5TreeOperation::GetDocumentFragmentForTemplate(
+ static_cast<nsIContent*>(aTemplate));
+ }
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
+ if (MOZ_UNLIKELY(!treeOp)) {
+ MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+ nsIContentHandle* fragHandle = AllocateContentHandle();
+ opGetDocumentFragmentForTemplate operation(aTemplate, fragHandle);
+ treeOp->Init(mozilla::AsVariant(operation));
+ return fragHandle;
+}
+
+nsIContentHandle* nsHtml5TreeBuilder::getFormPointerForContext(
+ nsIContentHandle* aContext) {
+ MOZ_ASSERT(mBuilder, "Must have builder.");
+ if (!aContext) {
+ return nullptr;
+ }
+
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // aContext must always be an element that already exists
+ // in the document.
+ nsIContent* contextNode = static_cast<nsIContent*>(aContext);
+ nsIContent* currentAncestor = contextNode;
+
+ // We traverse the ancestors of the context node to find the nearest
+ // form pointer. This traversal is why aContext must not be an emtpy handle.
+ nsIContent* nearestForm = nullptr;
+ while (currentAncestor) {
+ if (currentAncestor->IsHTMLElement(nsGkAtoms::form)) {
+ nearestForm = currentAncestor;
+ break;
+ }
+ currentAncestor = currentAncestor->GetParent();
+ }
+
+ if (!nearestForm) {
+ return nullptr;
+ }
+
+ return nearestForm;
+}
+
+// Error reporting
+
+void nsHtml5TreeBuilder::EnableViewSource(nsHtml5Highlighter* aHighlighter) {
+ MOZ_ASSERT(!mBuilder, "Must not view source with builder.");
+ mViewSource = aHighlighter;
+}
+
+void nsHtml5TreeBuilder::errDeepTree() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errDeepTree");
+ } else if (!mBuilder) {
+ nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
+ MOZ_ASSERT(treeOp, "Tree op allocation failed.");
+ opMaybeComplainAboutDeepTree operation(tokenizer->getLineNumber());
+ treeOp->Init(mozilla::AsVariant(operation));
+ }
+}
+
+void nsHtml5TreeBuilder::errStrayStartTag(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStrayStartTag2", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errStrayEndTag(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStrayEndTag", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errUnclosedElements(int32_t aIndex, nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errUnclosedElements", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errUnclosedElementsImplied(int32_t aIndex,
+ nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errUnclosedElementsImplied", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errUnclosedElementsCell(int32_t aIndex) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errUnclosedElementsCell");
+ }
+}
+
+void nsHtml5TreeBuilder::errStrayDoctype() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStrayDoctype");
+ }
+}
+
+void nsHtml5TreeBuilder::errAlmostStandardsDoctype() {
+ if (MOZ_UNLIKELY(mViewSource) && !forceNoQuirks) {
+ mViewSource->AddErrorToCurrentRun("errAlmostStandardsDoctype");
+ }
+}
+
+void nsHtml5TreeBuilder::errQuirkyDoctype() {
+ if (MOZ_UNLIKELY(mViewSource) && !forceNoQuirks) {
+ mViewSource->AddErrorToCurrentRun("errQuirkyDoctype");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceInTrailer() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceInTrailer");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceAfterFrameset() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceAfterFrameset");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceInFrameset() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceInFrameset");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceAfterBody() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceAfterBody");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceInColgroupInFragment() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceInColgroupInFragment");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceInNoscriptInHead() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceInNoscriptInHead");
+ }
+}
+
+void nsHtml5TreeBuilder::errFooBetweenHeadAndBody(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errFooBetweenHeadAndBody", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errStartTagWithoutDoctype() {
+ if (MOZ_UNLIKELY(mViewSource) && !forceNoQuirks) {
+ mViewSource->AddErrorToCurrentRun("errStartTagWithoutDoctype");
+ }
+}
+
+void nsHtml5TreeBuilder::errNoSelectInTableScope() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNoSelectInTableScope");
+ }
+}
+
+void nsHtml5TreeBuilder::errStartSelectWhereEndSelectExpected() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStartSelectWhereEndSelectExpected");
+ }
+}
+
+void nsHtml5TreeBuilder::errStartTagWithSelectOpen(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStartTagWithSelectOpen", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errBadStartTagInNoscriptInHead(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errBadStartTagInNoscriptInHead", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errImage() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errImage");
+ }
+}
+
+void nsHtml5TreeBuilder::errIsindex() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errIsindex");
+ }
+}
+
+void nsHtml5TreeBuilder::errFooSeenWhenFooOpen(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errFooSeenWhenFooOpen2", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errHeadingWhenHeadingOpen() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errHeadingWhenHeadingOpen");
+ }
+}
+
+void nsHtml5TreeBuilder::errFramesetStart() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errFramesetStart");
+ }
+}
+
+void nsHtml5TreeBuilder::errNoCellToClose() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNoCellToClose");
+ }
+}
+
+void nsHtml5TreeBuilder::errStartTagInTable(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStartTagInTable", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errFormWhenFormOpen() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errFormWhenFormOpen");
+ }
+}
+
+void nsHtml5TreeBuilder::errTableSeenWhileTableOpen() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errTableSeenWhileTableOpen");
+ }
+}
+
+void nsHtml5TreeBuilder::errStartTagInTableBody(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStartTagInTableBody", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagSeenWithoutDoctype() {
+ if (MOZ_UNLIKELY(mViewSource) && !forceNoQuirks) {
+ mViewSource->AddErrorToCurrentRun("errEndTagSeenWithoutDoctype");
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagAfterBody() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndTagAfterBody");
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagSeenWithSelectOpen(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndTagSeenWithSelectOpen", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errGarbageInColgroup() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errGarbageInColgroup");
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagBr() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndTagBr");
+ }
+}
+
+void nsHtml5TreeBuilder::errNoElementToCloseButEndTagSeen(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNoElementToCloseButEndTagSeen",
+ aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errHtmlStartTagInForeignContext(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errHtmlStartTagInForeignContext", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errNoTableRowToClose() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNoTableRowToClose");
+ }
+}
+
+void nsHtml5TreeBuilder::errNonSpaceInTable() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNonSpaceInTable");
+ }
+}
+
+void nsHtml5TreeBuilder::errUnclosedChildrenInRuby() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errUnclosedChildrenInRuby");
+ }
+}
+
+void nsHtml5TreeBuilder::errStartTagSeenWithoutRuby(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errStartTagSeenWithoutRuby", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errSelfClosing() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentSlash("errSelfClosing");
+ }
+}
+
+void nsHtml5TreeBuilder::errNoCheckUnclosedElementsOnStack() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errNoCheckUnclosedElementsOnStack");
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagDidNotMatchCurrentOpenElement(
+ nsAtom* aName, nsAtom* aOther) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndTagDidNotMatchCurrentOpenElement",
+ aName, aOther);
+ }
+}
+
+void nsHtml5TreeBuilder::errEndTagViolatesNestingRules(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndTagViolatesNestingRules", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errEndWithUnclosedElements(nsAtom* aName) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEndWithUnclosedElements", aName);
+ }
+}
+
+void nsHtml5TreeBuilder::errListUnclosedStartTags(int32_t aIgnored) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errListUnclosedStartTags");
+ }
+}